<!DOCTYPE html>
<html>
<head lang="zh-CN">
    <meta charset="UTF-8">
    <meta name="renderer" content="webkit">
    <title>jQuery</title>
    <script src="jquery.js"></script>

    <script src="myjq.js"></script>
    <style type="text/css">
        #main{
            background-color:beige;
            border-radius:50px 50px 50px 50px;
            margin: 50px;
            height:500px;
            width:500px;
        }
    </style>
</head>
<body>
     <div id="main" style="margin:10px;padding:20px">
       fasd jfalksdjf激发了快速的减肥
         <span>
             <h1>edit 测试怎么不管用呢</h1>

             <h2>
                 jflksadj

             </h2>
             <h3>
                 fjksdjflkasjdfkkf zheshi lishi alsjdfk klajsf;
                 jflkajsdfk j<br>
                 jflkasjk

             </h3>


         </span>
     </div>

</body>
<script>
    $("#main");
    alert($().jquery);
</script>

</html>